Klipsch Reference R-40M Bookshelf Speakers (Pair)

BH #KLR40MBLK • MFR #1069855
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Klipsch Reference R-40M Bookshelf Speakers (Pair)
Key Features
  • Two-Way Speaker Design
  • 1" Aluminum LTS Tweeter
  • 90 x 90° Hybrid Tractrix Horn
  • 4" Spun-Copper TCP Woofer
Enjoy quality, affordable sound with this pair of Klipsch Reference R-40M Bookshelf Speakers. With 50W RMS / 200W peak handling power and a sensitivity of 91 dB, the R-40M are easy to drive, compatible with most home audio amplifiers or receivers, and usable with stereo or surround sound systems. At less than 12" tall, the R-40M are among the most compact bookshelf speakers from Klipsch. With a sleek cabinet design and magnetic grilles these speakers integrate well with most décors and can be placed on a flat surface or mounted with the keyhole wall mount.
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Klipsch R-40M Overview

Enjoy quality, affordable sound with this pair of Klipsch Reference R-40M Bookshelf Speakers. With 50W RMS / 200W peak handling power and a sensitivity of 91 dB, the R-40M are easy to drive, compatible with most home audio amplifiers or receivers, and usable with stereo or surround sound systems. At less than 12" tall, the R-40M are among the most compact bookshelf speakers from Klipsch. With a sleek cabinet design and magnetic grilles these speakers integrate well with most décors and can be placed on a flat surface or mounted with the keyhole wall mount.

90 X 90° Tractrix Horn
The Klipsch exclusive Tractrix horn technology delivers the power, detail, and emotion of the live music experience with clean, natural sound. The increased outer horn dimensions allow for directivity control over a larger bandwidth of frequencies, resulting in improved high-frequency directivity and a more accurate sound stage than previous models.
Linear Travel Suspension (LTS) Aluminum Tweeter
The Klipsch Linear Travel Suspension (LTS) minimizes distortion for enhanced, detailed performances. Aluminum is an extremely light and rigid material used in the tweeter assembly to provide high efficiency and improve resolution and detail. LTS tweeters are a hallmark of Klipsch speakers, making it a core component of the Klipsch design.
Spun-Copper Thermoformed Crystalline Polymer (TCP) Woofers
Utilizing trickle-down technology from Klipsch's Reference Premiere series, the TCP woofers have steeper angling of the cones for a smoother response and improved accuracy and transparency. The additional ribbing increases the overall rigidity for less cone breakup at higher frequencies.
High-Quality Cabinet Design and Appearance
Hidden fasteners, edge-to-edge horn, and low-profile magnetic grilles give the speakers a polished, modern appearance. The reinforced 3/4" MDF construction with bracing design reduces cabinet vibration for less audible coloration and improved sonic accuracy.
UPC: 743878046335

Klipsch R-40M Specs

Key Specs
Speaker Configuration
2-Way
Power Handling
50 W RMS per Channel
200 W Peak per Channel
Drivers
1x 4" / 101.6 mm Woofer
1x 1" / 25.4 mm Tweeter
Frequency Response
71 Hz to 21 kHz (±3 dB)
Inputs/Outputs
Binding Post
Speaker System
Speaker Configuration
2-Way
Power Handling
50 W RMS per Channel
200 W Peak per Channel
Drivers
1x 4" / 101.6 mm Copper-Spun Graphite Cone Woofer (Front-Firing, per Speaker)
1x 1" / 25.4 mm Aluminum Horn Tweeter (Front-Firing, per Speaker)
Passive Radiators
No
Enclosure Type
Bass-Reflex
Ports
1x Rear-Firing (per Speaker)
Frequency Response
71 Hz to 21 kHz (±3 dB)
Impedance
8 Ohms
Inputs/Outputs
Binding Post Pair Input
Crossover
1770 Hz
Sensitivity
91 dB
Physical
Placement & Mounting Options
Tabletop/Bookshelf
Keyhole(s), Wall-Mount (with Optional Hardware)
Cabinet Material
MDF
Grille
Cloth (Removable)
Dimensions
5.7 x 11.7 x 8.5" / 146 x 298 x 216 mm (Each)
Weight
7.1 lb / 3.2 kg (Each)
Packaging Info
Package Weight
17.89 lb
Box Dimensions (LxWxH)
15.8 x 15.8 x 11.4"

Klipsch R-40M Reviews

Replaced Klipsch Quintet Mains

By Christopher
Rated 5 out of 5
Date: 2026-03-09

Although these dwarf the Klipsch Quintet mains, I today received these (quickly and pristinely, thank you B&H!) and I promptly mounted them in my theatre space using the same 1/4-20 studs as the Quintets. The old mains have now become rear surround in a 7.1 theatre sound stage, upgrading the system from 5.1. The system now can really keep up with live concert video, movies, and music listening in 2.1 stereo. I am really happy with this upgrade! These speakers sound terrific for their size. I enjoy the added mid punch from the 4" woofers and the rich fullness from the cabinets. Wonderful change! I couldn't be happier.

Great speakers

By Nenad1917
Rated 5 out of 5
Date: 2025-08-26

I bought these speakers and Ian very satisfied,big siund

See any errors on this page?

What cables are recommended to use with Mackie ...

What cables are recommended to use with Mackie Big Knob Passive Studio Monitor Controller (Gray) BH #MABKPSMC?
Asked by: Jose
The Klipsch Reference R-40M Bookshelf Speakers (Pair), BH # KLR40MBLK, cannot connect directly to the Mackie Big Knob Passive Studio Monitor Controller (Gray), B&H # MABKPSMC. The Mackie Big Knob is designed to connect with powered/active monitors.
Answered by: Mark S
Date published: 2024-04-01

What accessory would I need to be able to connect ...

What accessory would I need to be able to connect it to my MacBook Pro?
Asked by: Jose
The only input type on the Klipsch Reference R-40M Bookshelf Speakers (Pair), B&H # KLR40MBLK, is a binding post pair, which will accept bare speaker wire or speaker wire connected with a banana plug. To connect a MacBook Pro to these speakers, the simplest method would be by using a stereo receiver. You could use speaker wires to connect a receiver like the Sony STR-DH190 Stereo Receiver (B&H # SOSTRDH190) to the speakers, then connect a MacBook Pro to the receiver via Bluetooth or over a 1/8" aux cable from the computer's headphone jack.
Answered by: Teddy B
Date published: 2024-07-04

Does this speaker support Bluetooth? Can I use it ...

Does this speaker support Bluetooth? Can I use it to play music from my laptop or phone?
Asked by: Alaa
The Klipsch Reference R-40M Bookshelf Speakers (Pair), B&H # KLR40MBLK, do not support Bluetooth connectivity. These are passive speakers that will receive both audio and power from an amplifier/receiver. To play music from a mobile device, these speakers could be connected to a receiver that supports Bluetooth connectivity.
Answered by: Teddy B
Date published: 2024-12-15
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